英文關鍵字
animal
animals
audio
autumn
bird
common
crane
diepholz
eurasian
fall
field
flight
flying
germany
group
gruidae
grus
landing
motion
nature
slow
sound
wings
英文關鍵字
animal
animals
audio
autumn
bird
common
crane
diepholz
eurasian
fall
field
flight
flying
germany
group
gruidae
grus
landing
motion
nature
slow
sound
wings